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authorKarel Zak2015-04-13 17:24:45 +0200
committerKarel Zak2015-04-13 17:24:45 +0200
commitaeb9a30ba4e99bfaf33a0986562766d8480a3e4c (patch)
tree64ad6992debbd9a73eaa9f8ff7286a2716a17d1a /disk-utils/fdisk.c
parentsfdisk: enable bootbits protection (diff)
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fdisk: add --protect-boot
Now fdisk erases the begin of the device when create a new disk label, it seems like disadvantage for some use-cases. Reported-by: Jean-Loup 'clippix' Bogalho <clippix@lse.epita.fr> Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'disk-utils/fdisk.c')
-rw-r--r--disk-utils/fdisk.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/disk-utils/fdisk.c b/disk-utils/fdisk.c
index 48c4d1734..29bcb7183 100644
--- a/disk-utils/fdisk.c
+++ b/disk-utils/fdisk.c
@@ -680,6 +680,7 @@ static void __attribute__ ((__noreturn__)) usage(FILE *out)
fputs(USAGE_OPTIONS, out);
fputs(_(" -b, --sector-size <size> physical and logical sector size\n"), out);
+ fputs(_(" -B, --protect-boot don't erase bootbits when creat a new label\n"), out);
fputs(_(" -c, --compatibility[=<mode>] mode is 'dos' or 'nondos' (default)\n"), out);
fputs(_(" -L, --color[=<when>] colorize output (auto, always or never)\n"), out);
fprintf(out,
@@ -737,6 +738,7 @@ int main(int argc, char **argv)
{ "units", optional_argument, NULL, 'u' },
{ "version", no_argument, NULL, 'V' },
{ "output", no_argument, NULL, 'o' },
+ { "protect-boot", no_argument, NULL, 'B' },
{ NULL, 0, NULL, 0 }
};
@@ -754,7 +756,7 @@ int main(int argc, char **argv)
fdisk_set_ask(cxt, ask_callback, NULL);
- while ((c = getopt_long(argc, argv, "b:c::C:hH:lL::o:sS:t:u::vV",
+ while ((c = getopt_long(argc, argv, "b:Bc::C:hH:lL::o:sS:t:u::vV",
longopts, NULL)) != -1) {
switch (c) {
case 'b':
@@ -766,6 +768,9 @@ int main(int argc, char **argv)
fdisk_save_user_sector_size(cxt, sz, sz);
break;
}
+ case 'B'
+ fdisk_enable_bootbits_protection(cxt, 1);
+ break;
case 'C':
fdisk_save_user_geometry(cxt,
strtou32_or_err(optarg,